package com.example.chapter08;

//MyFileter.java
import java.io.*;
import javax.servlet.Filter;
import javax.servlet.*;
public class MyFilter implements Filter {
    public void destroy() {
        // 过滤器对象在销毁时自动调用，释放资源	}
    }
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
            //用于拦截用户请求，如果和当前过滤器的拦截路径匹配，该方法会被调用
            PrintWriter out=response.getWriter();
            out.write("Hello MyFilter---------");
        }
        public void init(FilterConfig fConfig) throws ServletException {
            // 过滤器对象在初始化时调用，可以配置一些初始化参数
        }
    }
